TWI300222B - - Google Patents
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- Publication number
- TWI300222B TWI300222B TW094111411A TW94111411A TWI300222B TW I300222 B TWI300222 B TW I300222B TW 094111411 A TW094111411 A TW 094111411A TW 94111411 A TW94111411 A TW 94111411A TW I300222 B TWI300222 B TW I300222B
- Authority
- TW
- Taiwan
- Prior art keywords
- disc
- tilt
- objective lens
- disposed
- recording medium
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 39
- 238000004804 winding Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 240000005528 Arctium lappa Species 0.000 claims 1
- 235000003130 Arctium lappa Nutrition 0.000 claims 1
- 235000008078 Arctium minus Nutrition 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 17
- 230000035945 sensitivity Effects 0.000 description 12
- 230000004907 flux Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 239000010960 cold rolled steel Substances 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0933—Details of stationary parts
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0935—Details of the moving parts
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
Landscapes
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004117647A JP4244021B2 (ja) | 2004-04-13 | 2004-04-13 | 光ピックアップ及びディスクドライブ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200606898A TW200606898A (en) | 2006-02-16 |
| TWI300222B true TWI300222B (enExample) | 2008-08-21 |
Family
ID=35239308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW094111411A TW200606898A (en) | 2004-04-13 | 2005-04-11 | Optical pickup and disk drive apparatus |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20050249054A1 (enExample) |
| JP (1) | JP4244021B2 (enExample) |
| KR (1) | KR20060046636A (enExample) |
| CN (1) | CN100358018C (enExample) |
| TW (1) | TW200606898A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9697864B2 (en) | 2013-12-20 | 2017-07-04 | Sony Corporation | Optical pickup, disk drive device, and optical element driving device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013069389A (ja) | 2011-09-26 | 2013-04-18 | Sanyo Electric Co Ltd | 対物レンズ駆動装置およびそれを備えた光ピックアップ装置 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60239939A (ja) * | 1984-05-14 | 1985-11-28 | Hitachi Ltd | 対物レンズ駆動装置 |
| SG72954A1 (en) * | 1998-05-21 | 2000-05-23 | Samsung Electronics Co Ltd | Optical pickup |
| US6341104B1 (en) * | 1998-08-03 | 2002-01-22 | Matsushita Electric Industrial Co., Ltd. | Optical pickup apparatus of tilt control type |
| JP2000222755A (ja) * | 1999-01-29 | 2000-08-11 | Matsushita Electric Ind Co Ltd | 光ピックアップ装置 |
| US20010021164A1 (en) * | 2000-03-13 | 2001-09-13 | Matsushita Electric Industrial Co., Ltd. | Objective lens driving apparatus |
| KR100684012B1 (ko) * | 2000-04-03 | 2007-02-20 | 엘지전자 주식회사 | 광 픽업 엑츄에이터 |
| JP3550547B2 (ja) * | 2001-01-22 | 2004-08-04 | シャープ株式会社 | 対物レンズ駆動装置 |
| JP3494165B2 (ja) * | 2001-04-24 | 2004-02-03 | 日本電気株式会社 | 光ディスク装置の対物レンズ駆動機構 |
| JP3912292B2 (ja) * | 2002-04-08 | 2007-05-09 | ソニー株式会社 | 光ピックアップ及びディスクドライブ装置 |
| KR20030080801A (ko) * | 2002-04-11 | 2003-10-17 | 삼성전기주식회사 | 3축 구동기능을 갖는 광픽업 액츄에이터 |
| JP2003346368A (ja) * | 2002-05-23 | 2003-12-05 | Ricoh Co Ltd | 対物レンズアクチュエータ、光ピックアップおよび光ディスク装置 |
| JP4097257B2 (ja) * | 2003-01-31 | 2008-06-11 | 株式会社リコー | チルト補正方法、チルト補正装置及び光ディスク装置 |
-
2004
- 2004-04-13 JP JP2004117647A patent/JP4244021B2/ja not_active Expired - Fee Related
-
2005
- 2005-03-30 US US11/092,937 patent/US20050249054A1/en not_active Abandoned
- 2005-04-08 KR KR1020050029382A patent/KR20060046636A/ko not_active Withdrawn
- 2005-04-11 TW TW094111411A patent/TW200606898A/zh not_active IP Right Cessation
- 2005-04-13 CN CNB2005100641618A patent/CN100358018C/zh not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9697864B2 (en) | 2013-12-20 | 2017-07-04 | Sony Corporation | Optical pickup, disk drive device, and optical element driving device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4244021B2 (ja) | 2009-03-25 |
| JP2005302161A (ja) | 2005-10-27 |
| TW200606898A (en) | 2006-02-16 |
| KR20060046636A (ko) | 2006-05-17 |
| CN1684162A (zh) | 2005-10-19 |
| CN100358018C (zh) | 2007-12-26 |
| US20050249054A1 (en) | 2005-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |